Psychometrics-Foundations of Psychological Measurement; Basic Components [GATE (Graduate Aptitude Test in Engineering) Psychology]: Questions 1 - 5 of 30

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Question 1

Question MCQ▾

The amount of change necessary in a given stimulus to produce a just noticeable difference is a constant proportion of the original stimulus. This defines

Choices

Choice (4)Response

a.

psychophysics.

b.

perceptual set.

c.

Weber՚s Law.

d.

perceptual constancy.

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Question 2

Question MCQ▾

Humans respond to different wavelengths of light by experiencing differing

Choices

Choice (4)Response

a.

amplitudes.

b.

amounts of saturation.

c.

levels of brightness.

d.

hues.

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Question 3

Question MCQ▾

A system is developed where a television camera produces an “image” of touch points applied to the back of a blind person. Such a system involves

Choices

Choice (4)Response

a.

the mechanical production of phosphine.

b.

a conversion of light into JNDs.

c.

transducing light into pressure.

d.

applying the “lock and key” theory of touch.

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Question 4

Question MCQ▾

A “silent” dog whistle takes advantage of a characteristic of sensory systems known as

Choices

Choice (4)Response

a.

a just noticeable difference.

b.

the absolute threshold.

c.

the difference threshold.

d.

perceptual defense.

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Question 5

Question MCQ▾

The entire range of wavelengths is called ________.

Choices

Choice (4)Response

a.

Electromagnetic waves

b.

Visible spectrum

c.

Visible and Electromagnetic waves both

d.

Electromagnetic spectrum

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